Control Entity and Method for Setting up a Session in a Communications Network, Subscriber Database and Communications Network
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Accused Products
Abstract
Control entity and method for setting up a session in a communications network, subscriber database and communications network The invention relates to a control entity for setting up a session in a communications network, comprising an input device for receiving a request to set up a session in the communications network, a processor unit for processing the request, and an output device for sending messages. The control entity further comprising or having access to a memory for storing information. The processor unit is arranged to determine if the request comprises a valid Communication Service Identifier, CSI, the Communication Service Identifier identifying the type of communication service of the session that is to be established over the communications network. And if the request does not comprise a valid Communication Service Identifier to execute a default CSI procedure using default CSI information stored in the memory.
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Citations
46 Claims
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1-24. -24. (canceled)
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25. A Control Entity for setting up a session in a communications network, comprising
an input device for receiving a request to set up a session in the communications network; -
a processor unit for processing the request; and an output device for sending messages; wherein the Control Entity further comprises or has access to a memory for storing information, and wherein the processor unit is arranged to; determine if the request comprises a valid Communication Service Identifier (CSI), the CSI identifying the type of communication service of the session that is to be established over the communications network; and if the request does not comprise a valid CSI, the processor unit is arranged to execute a default CSI procedure using default CSI information stored in the memory, said default CSI information being based upon subscription information, and, for carrying out said default CSI procedure, said processor unit configured to; add a default CSI to the request, in case the request does not comprise a CSI, where the default CSI is specified by the default CSI information;
ortest at least one parameter in the request and decide based on the at least one tested parameter and the default CSI information to add a default CSI to the request, where the default CSI is specified by the default CSI information, or not to add a default CSI to the request. - View Dependent Claims (26, 27, 28, 29, 30, 31, 32)
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33. A method in a Control Entity in a communications network for setting up a session in a communications network, the method comprising:
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receiving a request for setting up a session in the communications network;
determining if the request comprises a valid Communication Service Identifier (CSI), the CSI identifying the type of communication service of the session that is to be established over the communications network; andif the request does not comprise a valid CSI, executing a default CSI procedure using default CSI information, said default CSI information being based upon subscription information, said default CSI procedure comprising; adding a default CSI to the request, in case the request does not comprise a CSI, where the default CSI is specified by the default CSI information, or testing at least one parameter in the request and deciding based on the at least one tested parameter and the default CSI information to add a default CSI to the request, where the default CSI is specified by the default CSI information, or not to add a default CSI to the request. - View Dependent Claims (34, 35, 36, 37, 38, 39)
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40. A subscriber database configured to be part of a communications network, comprising:
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an input device for receiving a register message from a user terminal; a processor unit for processing the register message; and an output device; the subscriber database further comprising or having access to a memory for storing subscription information, and wherein the subscriber database is configured to; generate default CSI information based upon subscription information stored in the memory, in reaction to the receipt of the register message; and transmit the generated default CSI information to at least one control entity in the communications network via the output device. - View Dependent Claims (41, 42)
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43. A method for registering a user terminal in a communications network, wherein a subscriber database performs the steps of:
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receiving a register message from a user terminal; generating default CSI information based upon subscription information in reaction to the receipt of the register message; and transmitting the generated default CSI information to at least one Control Entity in the communications network. - View Dependent Claims (44)
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45. An IP Multimedia Subsystem network, comprising a Control Entity for setting up a session in a communications network and a subscriber entity configured to be part of the communications network;
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wherein said Control Entity comprises; an input device for receiving a request to set up a session in the communications network; a processor unit for processing the request; and an output device for sending messages; wherein the Control Entity further comprises or has access to a memory for storing information, and wherein the processor unit is arranged to; determine if the request comprises a valid Communication Service Identifier (CSI), the CSI identifying the type of communication service of the session that is to be established over the communications network; and if the request does not comprise a valid CSI, the processor unit is arranged to execute a default CSI procedure using default CSI information stored in the memory, said default CSI information being based upon subscription information, and, for carrying out said default CSI procedure, said processor unit configured to; add a default CSI to the request, in case the request does not comprise a CSI, where the default CSI is specified by the default CSI information;
ortest at least one parameter in the request and decide based on the at least one tested parameter and the default CSI information to add a default CSI to the request, where the default CSI is specified by the default CSI information, or not to add a default CSI to the request; and wherein said subscriber database comprises; an input device for receiving a register message from a user terminal; a processor unit for processing the register message; and an output device; the subscriber database further comprising or having access to a memory for storing subscription information, and wherein the subscriber database is configured to; generate default CSI information based upon subscription information stored in the memory, in reaction to the receipt of the register message; and transmit the generated default CSI information to at least one control entity in the communications network via the output device. - View Dependent Claims (46)
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Specification